needs to be done with force not with words as it regards jungle law as the rule of its survival. today's action comes in response to the united nation's security council voting necessary to condemn north korea's long range missile launch in december. they expanded sanctions against the north. north korea did not say when or where this new nuclear test would take place, but some experts say it could happen as early as february. uma. uma: as north korea remains defiant, what has been the reaction from the u.s.? >> reporter: there's been no official comment from the state department, although the white house said in an off camera gaggle recently that the white house is monitoring this and they hope that north korea doesn't go ahead witness. the u.s. envoy on north korea who is in the region for meetings in south korea, meetings with the south koreans, the chinese and japanese had a statement just as this was going out. quote, whether north korea telgss or not, it's up to north korea. we hope they don't do it. we call on them not to do it. he says it's not a time to increase tensions